Cookbook holder



FIG. 1 is a perspective view of a cookbook holder, showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6. is a bottom plan view thereof. 

The ornamental design for a cookbook holder, as shown and described. 